Photoelectric work function of a photo- sensitive material is 3 × 10-¹9 J. Calculate its threshold wavelength.
Q: Photoelectrons with a maximum kinetic energy of 7.95 eV are emitted from a metal when it is…
A: The kinetic energy of the electron is given in electron volts (eV). However, in order to calculate…
Q: The photoelectric threshold wavelength of a tungsten surface is 722 nm. Calculate the maximum…
A: Given:- The photoelectric threshold wavelength of tungsten λ = 722 nm the ultraviolet radiation of…
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A: When an electromagnetic wave or light is incident on the metal surface, electrons contained in an…
Q: The photoelectric work function for a metal is 4.2 eV. If the stopping potential is 3V. Find the…
A: To find-λ0=?(K.E.)max=?Given-ϕ0=4.2 eV=4.2×1.6×10-19 JVs=3 Vc=3×108 m/sh=6.63×10-34 Jse=1.6×10-19 C
Q: The work function of iron is 4.50 eV. What frequency of light will create photoelectrons with a KE…
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Q: When ultraviolet light with a wavelength of 354 nm falls on a certain metal surface, the maximum…
A: Given: Ultraviolet light of wavelength λ=354 nm Kinetic energy of photoelectrons…
Q: Photoelectric work function of a photo- sensitive material is 3 x 10-19 J. Calculate its threshold…
A: To find-Threshold wavelength (λ0)=?Given-W=3×10-19 J
Q: Adamantium has a work function of 4.20eV. Find the cutoff wavelength and cutoff frequency for the…
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Q: When ultraviolet light with a wavelength of 374 nm falls on a certain metal surface, the maximum…
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Q: A 100-watt light bulb radiates energy at a rate of 100 J/s. (The watt, a unit of power or energy…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: What is the work function of the metal light of wavelength 4000 Å generates
A: Givenλ=4000 Ao=4000×10-10 mve=6×105 m/sme=9×10-31 Kgc=3×108 m/sh=6.626×10-34 Jsqe=1.6×10-19 JeV-1
Q: Radiation with a frequency of 7.52 × 1014 Hz illuminates a photoelectric surface in a photoelectric…
A: Frequency = 7.52 ×10¹⁴Hz Work function = 2.20 eV
Q: A metal surface is illuminated with light of different wavelengths and the corresponding stopping…
A: Given that a metal surface is illuminated with light of different wavelengths and the corresponding…
Q: A metal surface is illuminated with light of different wavelengths and the corresponding stopping…
A: The work function of a metal is given by, Work function, ϕ=eV0 Where, e=1.6×10-19 CV0=Stopping…
Q: . i. Calculate the maximum wavelength λmax of electromagnetic radiation that could eject electrons…
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Q: Activity: Solve the following problems. Use the rubrics as your guide in presenting your solution…
A: Given, Energy E = 5.00 eV = (5.00 eV)(1.60 × 10-19 J/eV)…
Q: Photoelectric work function of metal is 3.2 eV. Find the threshold wavelength.
A: Given data: - The photoelectric work function of metal is Φ = 3.2 eV.
Q: ht of frequency 1 × 1015 Hz illuminates a piece of cesium, and the cesium emits photoelectrons with…
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Q: The graph below shows the maximum kinetic energy of emitted photoelectrons as a function of the…
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Q: Number of emitted photons is 10^4 photons/s. Number of emitted electrons is 20 el/s. What is…
A: Given data, Number of photons, Np=104 photons/sec Number of electrons Ne=20 e/sec
Q: Photoelectrons from a metal with a work function of 2.74 eV are ejected by photons with a wavelength…
A: work function (w) = 2.74 eV wavelength of incident photons = 415 nm
Q: The work function for lead is 4.14 eV. (a) Find the cutoff wavelength for lead. nm (b) What is the…
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Q: The maximum kinetic energy of electrons ejected from a metal surface exposed to 301-nm photons is…
A: wavelength=301 nm stopping potential=2.98eV
Q: 5. (a) Photoelectrons are emitted from a clear gold surface when exposed to light with a frequency…
A: According to Einstein's formula of photoelectric effect we know, 12mvmax2=hν-W, where m is the mass…
Q: The cut-off potential for photoelectrons emitted by a surface hit by wavelength light of 4910…
A: The cut off potential is the applied reverse potential such that the photocurrent is 0. From…
Q: The “work function” of the metal lithium is 4.6x10-19 J. If irradiated with light of frequency…
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Q: If the cutoff wavelength for a particular material is 710 nm considering the photoelectric effect,…
A: The formula of the photo electric effect is E = W + KE where, E is the incident energy, W is the…
Q: In an experiment of photoelectric effect, no current flows through the circuit when the voltage…
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Q: The threshold wavelength for silver is O 3800 A. Calculate the maximum kinetic O. energy in eV of…
A: To find-Maximum K.E. in eVGiven data-λ0=3800 A0=3800×10-10 mλ=2600 A0=2600×10-10 mc=3×108…
Q: In a photoelectric experiments, a graph of the light frequency f is plotted against the maximum…
A: It is required to calculate the wavelength and the velocity for the given frequency.
Q: Photoelectric work function of a metal is 3 eV. Find the maximum K.E. and maximum speed of…
A: To find-(1) maximum K.E.=?(2) Maximum speed of photoelectronsGiven-W0=3 eV=3×1.6×10-19 JW0=4.8×10-19…
Q: A Ge pin photodiode has a radius of 0.2 mm for an active light receiving circular area. Light that…
A: The quantum efficiency of the photodiode is given by,
Q: Ultraviolet light of wavelength 99 nm falls on a metal plate of work function 1.0 eV. Find the…
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Q: A metal surface is illuminated by light with a wavelength of 2,8. 107 m. If the stopping potential…
A: Wavelength of light λ = 2.8×10-7 m Stopping potential Vo = 0.7 V Detachment energy W = ?
Q: Ultraviolet radiation of wavelength 121 nm is used to irradiate a sample of potassium metal. The…
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Q: R3 Rg R10 Rg Figure-(a)
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Q: Photoelectrons with a maximum kinetic energy of 7.95 eV are emitted from a metal when it is…
A: Approach to solving the question:To solve these problems, we'll use the principles of the…
Q: Light of constant intensity but varying wavelength was used to illuminate the cathode in a…
A: Introduction: Write the expression for photoelectric effect. eVstop=hf-φeVstop=hef-φ The slope of…
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